KJ Thomas Mechanical has certified technicians to take care of your AC installation near Louisville CO.

KJ Thomas Mechanical is your qualified AC expert in Boulder, Longmont, Erie, Lafayette, Louisville, Loveland and surrounding areas!

KJ Thomas Mechanical is your qualified AC expert in Boulder, Longmont, Erie, Lafayette, Louisville, Loveland and surrounding areas!

 
Whether you need service—and need it fast—or you're looking to replace or invest in new equipment for your home, KJ Thomas Mechanical can help. Ask around... our name is well known and respected because we care about impressing you so much that you'll want to call us next time and every time.

Browse our site and you will find plenty of information to help you understand your systems, and you will also learn what you as a home or small business owner can do to keep your systems maintained and operating as efficiently as possible.Experiencing temperature, humidity or allergy related problems? There is no need to suffer. Let us explain how these problems can be resolved, making your home or office more comfortable all year round.

At KJ Thomas Mechanical, we have built our reputation on quality work and superior customer satisfaction. We hire only highly skilled and technically qualified craftsmen, each of whom is committed to exceeding your expectations and providing friendly, courteous service.
WHY CHOOSE US
WHY CHOOSE US
We offer the very best when it comes to ensuring your equipment operates safely. We will help you save money on your fuel bills and then some. If that's something that interests you, then click here.
TAKE A LOOK AROUND
TAKE A LOOK AROUND
Go ahead! Explore our Info section in the menu. Not only will you learn how these HVAC systems work, but also how to shop smart, protect your investment and keep money in your pocket.
100% SATISFACTION
100% SATISFACTION
KJ Thomas Mechanical offers financing and we guarantee our work, making the decision to choose us both comfortable and secure. So don't hesitate and give us a call today 303-435-8141
By doing what it takes to ensure each customer's complete satisfaction, KJ Thomas Mechanical is welcome in more homes in 30 mile radius of Frewsburg, NY than any other contractor.
Trane AC service in Louisville CO is our speciality.
KJ Thomas Mechanical is Your Trusted Local Trane Dealer
Get your Trane AC units service done in Boulder CO by KJ Thomas Mechanical
Cities we service
Click on a city below to see what your neighbors had to say about their experience with us...
KJ Thomas Mechanical proudly donates HVAC services to Habitat for Humanity of the St. Vrain Valley in Colorado
Proudly donating HVAC services to Habitat for Humanity of the St. Vrain Valley Colorado
KJ Thomas Mechanical, is a Colorado (CO) Heating, Cooling, Air Conditioning, Boiler, Heat Pump, Ductless Mini-Split, Fireplace, Water Heater, and Furnace repair, service, replacement, and maintenance Company located in Boulder County. KJ Thomas Mechanical employs only the best technician for air conditioner repair, furnace repair, and heat pump repair as well as all air conditioner replacement, furnace replacement, and boiler replacement in Boulder CO, Louisville CO, Eldorado Springs CO, Broomfield CO, Arvada CO, Lafayette CO, Pinecliffe CO, Niwot CO, Westminster CO, Denver CO, Golden CO, Erie CO, Wheat Ridge CO, Jamestown CO, Eastlake CO, Thornton CO, Nederland CO, Longmont CO, Hygiene CO, Dacono CO, Brighton CO, Ward CO, Commerce City CO, Black Hawk CO, Dupont CO, Henderson CO, Frederick CO, Rollinsville CO, Firestone CO, Idledale CO, Central City CO, Kittredge CO, Mead CO, Evergreen CO, Indian Hills CO, Lyons CO, Aurora CO, Englewood CO, Dumont CO, Allenspark CO, Morrison CO, Berthoud CO, and Superior CO. So when you ask to find "A good heating and air conditioning repair or service company near me," you've come to the right place. To set-up a repair service estimate or replacement estimate, call 303-435-8141. KJ Thomas Mechanical services all furnace, AC, humidifier, filter, thermostat and water heater brands including Carrier, Bryant, Payne, Trane, Lennox, Rheem, Ruud, Amana, Daikin, Mitsubishi, Fujitsu, Crown, Frigidaire, Gibson, Goodman, Lochinvar, Maytag, Weil McLain, A O Smith, Kohler, American Standard, General, Aprilaire, Honeywell, White Rodgers, Dynamic and Skuttle.
KJ Thomas Mechanical, is a Colorado (CO) Heating, Cooling, Air Conditioning, Boiler, Heat Pump, Ductless Mini-Split, Fireplace, Water Heater, and Furnace repair, service, replacement, and maintenance Company located in Boulder County. KJ Thomas Mechanical employs only the best technician for air conditioner repair, furnace repair, and heat pump repair as well as all air conditioner replacement, furnace replacement, and boiler replacement in Boulder CO, Louisville CO, Eldorado Springs CO, Broomfield CO, Arvada CO, Lafayette CO, Pinecliffe CO, Niwot CO, Westminster CO, Denver CO, Golden CO, Erie CO, Wheat Ridge CO, Jamestown CO, Eastlake CO, Thornton CO, Nederland CO, Longmont CO, Hygiene CO, Dacono CO, Brighton CO, Ward CO, Commerce City CO, Black Hawk CO, Dupont CO, Henderson CO, Frederick CO, Rollinsville CO, Firestone CO, Idledale CO, Central City CO, Kittredge CO, Mead CO, Evergreen CO, Indian Hills CO, Lyons CO, Aurora CO, Englewood CO, Dumont CO, Allenspark CO, Morrison CO, Berthoud CO, and Superior CO. So when you ask to find "A good heating and air conditioning repair or service company near me," you've come to the right place. To set-up a repair service estimate or replacement estimate, call 303-435-8141. KJ Thomas Mechanical services all furnace, AC, humidifier, filter, thermostat and water heater brands including Carrier, Bryant, Payne, Trane, Lennox, Rheem, Ruud, Amana, Daikin, Mitsubishi, Fujitsu, Crown, Frigidaire, Gibson, Goodman, Lochinvar, Maytag, Weil McLain, A O Smith, Kohler, American Standard, General, Aprilaire, Honeywell, White Rodgers, Dynamic and Skuttle.
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Get In Touch
 
Expert Service from People You Can Trust
6175 Trevarton Dr. Longmont, CO 80503
Not Open to Walk-in Traffic
PHONE:   303-435-8141
HOURS:   Monday - Friday: 8AM to 5PM
Expert Service from People You Can Trust
6175 Trevarton Dr. Longmont, CO 80503
Not Open to Walk-in Traffic
HOURS:   Monday - Friday: 8AM to 5PM
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To schedule your Ductless Air Conditioning installation in Longmont CO, just email us!
 
Payment Options
 
For AC in Boulder CO, we accept most major credit cards.
 
We accept cash for Water Heater repair service provided in Longmont CO.
We accept check for Ductless Air Conditioning repair service provided in Louisville CO.
 
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